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课件网) Unit 3 Language in use(P14－17) 在英语中，用从句表达一件事情或一个行为发生的时间，这个从句就叫时间状语从句。时间状语从句常用 when，while，before，after，as soon as，since，until等连词引导。 时间状语从句 Ⅰ while和when引导的时间状语从句。 While my mother is cleaning the house, I am doing homework. 当我妈妈在打扫房子时，我在做家庭作业。 _____当……的时候，主句动作与从句动作同时发生，从句动作用延续性动词，且常用进行时态(进行时＋while＋进行时)。 while When I got home, I saw my father watching TV. 当我到家时，我看见爸爸在看电视。 _____当……的时候，可表示在某个时间点或时间段发生的事。主句动作和从句动作可同时或先后发生。从句动作可用延续性动词和非延续性动词。 when 当从句动作是延续性动词时，连词可用while或when。 While/When we were watching TV, the doorbell rang. Ⅱ after和before引导的时间状语从句。 After I go home, I have dinner with my parents. _____ 在……之后，表示主句动作发生在从句动作之后。 Before I go to bed, I brush my teeth. _____ 在……之前，表示主句动作发生在从句动作之前。 after before Ⅲ as soon as引导的时间状语从句。 As soon as I arrive home, I will call you. _____ 一……就，表示主句动作紧接从句动作发生，遵循“_____”原则。 as soon as 主将从现 Ⅳ since引导的时间状语从句。 Since Lily studied abroad, I haven't met her. _____自从……，常用于“主句(_____)＋since＋从句(一般过去时)”句式中。 since 现在完成时 Ⅴ until引导的时间状语从句。 I'll wait at the school gate until my father comes. 主句用肯定式时，表示“直至……为止”，主句动作用_____性动词。 Kevin didn't leave the office until he finished his work. 主句用否定式时，表示“直到……才”，主句动作用短暂性动词。 延续 (1)In 1988, Lao Pan first came to China and worked as a teacher at a university. But Lao Pan did not begin to understand China _____ he and his family took a 3 month drive around the country. (2021年广东中考短文填空第70小题) until ( )(2)They move on until at last, David sees some houses below. The children run to meet him. David reads them a story first. _____ the story ends, it's time for everyone to choose a book. (2020年广东广州中考语法选择第11小题) A. Before B. When C. If D. Because B ( )(3)AlbertⅡ was the first monkey to go into space in 1949. Sadly he died _____ his spaceship landed back on Earth. (2019年广东广州中考语法选择第10小题) A. if B. because C. after D. since C 1. You'd better make a good plan _____ you take a holiday. 2. You can start the work again _____ it stops raining. 3. I will tell him the good news _____ he comes back. 4. Helen has taught English for five years _____ she came to the school. Ⅰ 用when, while, before, after, since, until, as soon as填空，每组连词限用一次。 before after as soon as since 5. A kid can't go to school _____ he is six years old. 6. Mum was reading newspapers _____ I was doing my homework. 7. All the students stopped talking and laughing _____ the teacher came in. until while when Ⅱ 小语篇训练。 World Post Day is celebrated on October 9. This day is the date when __1__ ... ...
